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Cheap flights from Ireland to Washington, D.C. from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Washington, D.C.

Recent round-trip flight deals from Ireland to Washington, D.C.

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
JetBlue Logo
6:15 am - 9:00 am
DCA
-
DUB
21h 45m
1 stop
$485JetBlue
Sat, Jun 20 - Sat, Jun 27
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
JetBlue Logo
6:15 am - 9:00 am
DCA
-
DUB
21h 45m
1 stop
$486JetBlue
Thu, Jun 11 - Tue, Jun 16
JetBlue Logo
10:40 am - 5:24 pm
DUB
-
DCA
11h 44m
1 stop
JetBlue Logo
1:20 pm - 8:20 am
DCA
-
DUB
14h 00m
1 stop
$499JetBlue
Mon, Sep 21 - Sat, Oct 17
American Airlines Logo
11:45 am - 6:22 pm
DUB
-
DCA
11h 37m
1 stop
American Airlines Logo
5:22 pm - 11:50 am
DCA
-
DUB
13h 28m
1 stop
$531American Airlines
Wed, Jul 22 - Tue, Jul 28
KLM Logo
1:05 pm - 11:21 pm
SNN
-
DCA
15h 16m
1 stop
KLM Logo
6:06 am - 11:10 am
DCA
-
SNN
24h 04m
1 stop
$588KLM
Fri, Jun 19 - Sun, Jun 21
KLM Logo
1:05 pm - 11:21 pm
SNN
-
DCA
15h 16m
1 stop
KLM Logo
6:06 am - 11:10 am
DCA
-
SNN
24h 04m
1 stop
$590KLM
Fri, Jun 19 - Sun, Jun 21
Delta Logo
1:05 pm - 11:24 pm
SNN
-
DCA
15h 19m
1 stop
Delta Logo
5:28 pm - 11:10 am
DCA
-
SNN
12h 42m
2 stops
$605Delta
Sat, May 23 - Wed, May 27
Delta Logo
1:05 pm - 11:44 pm
SNN
-
DCA
15h 39m
2 stops
Delta Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
$606Delta
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
1:05 pm - 4:59 pm
SNN
-
DCA
32h 54m
1 stop
Multiple Airlines Logo
5:29 pm - 11:10 am
DCA
-
SNN
12h 41m
2 stops
$752Multiple Airlines
Sun, Jun 21 - Sun, Jun 28
Multiple Airlines Logo
7:20 pm - 10:28 pm
ORK
-
DCA
32h 08m
2 stops
Multiple Airlines Logo
6:00 am - 9:15 pm
DCA
-
ORK
34h 15m
3 stops
$1,258Multiple Airlines
Sun, May 24 - Sat, May 30

American Airlines flights from Ireland to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Jul 22
DUB11:45 amDublin
11h 37m
1 stop
DCA6:22 pmWashington, D.C. Reagan-National
Jul 28
DCA5:22 pmWashington, D.C. Reagan-National
13h 28m
1 stop
DUB11:50 amDublin
$531
American Airlines
Nov 6
DUB11:30 amDublin
9h 40m
1 stop
DCA4:10 pmWashington, D.C. Reagan-National
Dec 6
DCA4:49 pmWashington, D.C. Reagan-National
10h 41m
1 stop
DUB8:30 amDublin
$600
American Airlines
Nov 3
DUB11:30 amDublin
9h 40m
1 stop
DCA4:10 pmWashington, D.C. Reagan-National
Nov 11
DCA4:50 pmWashington, D.C. Reagan-National
10h 40m
1 stop
DUB8:30 amDublin
$611

Air France flights from Ireland to Washington, D.C. Reagan-National Airport

Our best Air France deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
Air France
May 22
DUB11:00 amDublin
12h 28m
1 stop
DCA6:28 pmWashington, D.C. Reagan-National
May 25
DCA4:00 pmWashington, D.C. Reagan-National
11h 45m
1 stop
DUB8:45 amDublin
$605
Air France
May 17
DUB1:15 pmDublin
15h 09m
1 stop
DCA11:24 pmWashington, D.C. Reagan-National
May 24
DCA5:28 pmWashington, D.C. Reagan-National
11h 32m
1 stop
DUB10:00 amDublin
$636
Air France
Jun 20
SNN1:05 pmShannon
14h 54m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Jun 27
DCA1:49 pmWashington, D.C. Reagan-National
16h 21m
2 stops
SNN11:10 amShannon
$1,050

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from Ireland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Sat 6/20

11:30 am-10:59 pm

1 stop16h 29m

Washington, D.C. Reagan-National

Sat 6/27

6:15 am-9:00 am

1 stop21h 45m

$485

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 6/11

11:30 am-10:59 pm

1 stop16h 29m

Washington, D.C. Reagan-National

Tue 6/16

6:15 am-9:00 am

1 stop21h 45m

$486

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 9/21

10:40 am-5:24 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Sat 10/17

1:20 pm-8:20 am

1 stop14h 00m

$499
Quickest round-trip

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 7/22

11:45 am-6:22 pm

1 stop11h 37m

Washington, D.C. Reagan-National

Tue 7/28

5:22 pm-11:50 am

1 stop13h 28m

$531

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Fri 6/19

1:05 pm-11:21 pm

1 stop15h 16m

Washington, D.C. Reagan-National

Sun 6/21

6:06 am-11:10 am

1 stop24h 04m

$588

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Fri 6/19

1:05 pm-11:21 pm

1 stop15h 16m

Washington, D.C. Reagan-National

Sun 6/21

6:06 am-11:10 am

1 stop24h 04m

$590

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Sat 5/23

1:05 pm-11:24 pm

1 stop15h 19m

Washington, D.C. Reagan-National

Wed 5/27

5:28 pm-11:10 am

2 stops12h 42m

$605

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Sat 5/23

1:05 pm-11:44 pm

2 stops15h 39m

Washington, D.C. Reagan-National

Wed 5/27

5:00 pm-11:10 am

1 stop13h 10m

$606

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Sun 6/21

1:05 pm-4:59 pm

1 stop32h 54m

Washington, D.C. Reagan-National

Sun 6/28

5:29 pm-11:10 am

2 stops12h 41m

$752

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Sun 5/24

7:20 pm-10:28 pm

2 stops32h 08m

Washington, D.C. Reagan-National

Sat 5/30

6:00 am-9:15 pm

3 stops34h 15m

$1,258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ireland to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Washington, D.C. Reagan-National?

JetBlue and British Airways are the most popular carriers operating from Ireland to Washington, D.C. Reagan-National

Cheap Ireland to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Washington, D.C. Reagan-National Airport

Fastest flight time

11h 34m

Direct flights

None
The fastest flight from Ireland to Washington, D.C. Reagan-National Airport takes 11h 34m
There are no direct flights from Ireland to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Ireland to Washington, D.C. Reagan-National Airport.
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Frequently asked questions about flying from Ireland to Washington, D.C. Reagan-National Airport

  • When did momondo last update prices for flights from Ireland to Washington, D.C. Reagan-National Airport?

    Prices for flights from Ireland to Washington, D.C. Reagan-National Airport are updated daily.

  • How old do you have to be to fly from Ireland to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Ireland.

Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?

Flights from Ireland to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ireland to Washington, D.C.?

momondo helps you find the best flight between Ireland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ireland and alert you when they change.

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